Re: Differentiating functions

It's hard to really get the feel for derivatives through text/reading.
I will be making videos shortly on derivatives, including logarithmic differentiation.
Please check out my new channel at robbiecee2 - YouTube

Re: Differentiating functions

Just in case a picture helps anyone, youtubers included! ...

... where (key in spoiler) ...

Spoiler:

... is the chain rule. Straight continuous lines differentiate downwards (integrate up) with respect to the main variable (in these cases x or e or t), and the straight dashed line similarly but with respect to the dashed balloon expression (the inner function of the composite which is subject to the chain rule).